Marsh Giant Moss

This yellow-green moss is commonly found growing in giant clumps In marshes.
It is enormous, growing up to 10 inches (25 cm) tall. It forms in thick clumps are exceptionally hardy, and is very resistant.
When mature, emerald flame-shaped capsules grow at the end of short, lime green sporophytes, eventually opening up during the early autumn to release dozens of spores; it does not cause any allergic reactions.